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2026-03-16 - 04:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Mar 16, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29225214281,7sleep30-21swapper/319:05:573
29367212263,7sleep00-21swapper/019:07:470
29363212162,7sleep20-21swapper/219:07:452
292382121110,7sleep10-21swapper/119:06:071
2604921210,4sleep12970799cyclictest20:30:161
291492750,1sleep029155-21irqrtprio19:35:170
156492670,0sleep30-21swapper/319:50:193
199772650,1sleep319983-21gltestperf22:20:163
61942620,0sleep30-21swapper/322:05:183
107882610,1sleep338-21rcuc/321:40:193
124842600,1sleep312489-21kthreadcore23:10:183
41382590,1sleep20-21swapper/200:30:142
52092550,0sleep00-21swapper/019:40:180
287002530,0sleep00-21swapper/020:00:240
209592530,0sleep30-21swapper/321:20:213
37832490,0sleep13787-21missed_timers23:00:191
2971299418,32cyclictest0-21swapper/200:15:122
2971299330,18cyclictest0-21swapper/221:20:112
2971299271,14cyclictest0-21swapper/221:55:132
2970799270,26cyclictest0-21swapper/123:49:231
2970799270,26cyclictest0-21swapper/121:58:131
2970799270,26cyclictest0-21swapper/121:51:171
2970799270,26cyclictest0-21swapper/121:48:221
2970799270,26cyclictest0-21swapper/120:39:421
2970799270,26cyclictest0-21swapper/120:06:241
2970799270,26cyclictest0-21swapper/120:02:001
29712992617,1cyclictest749-21snmpd23:43:172
29712992617,1cyclictest749-21snmpd21:17:272
29712992616,2cyclictest749-21snmpd23:45:432
29712992616,2cyclictest749-21snmpd23:20:502
2971299260,25cyclictest0-21swapper/200:04:262
2971299260,23cyclictest0-21swapper/200:09:362
2970799260,25cyclictest0-21swapper/123:10:051
2970799260,25cyclictest0-21swapper/122:52:071
29712992523,2cyclictest0-21swapper/223:34:402
29712992521,3cyclictest0-21swapper/219:32:152
29712992518,6cyclictest749-21snmpd20:50:152
29712992517,1cyclictest749-21snmpd20:36:302
29712992517,1cyclictest749-21snmpd19:48:372
29712992516,1cyclictest749-21snmpd20:34:452
29712992516,1cyclictest749-21snmpd00:38:122
29712992515,2cyclictest749-21snmpd23:08:342
2971299243,8cyclictest0-21swapper/220:03:372
29712992417,1cyclictest749-21snmpd23:25:352
29712992417,1cyclictest749-21snmpd22:24:562
29712992415,2cyclictest3343-21ps22:05:172
29712992415,1cyclictest749-21snmpd23:12:412
29712992413,3cyclictest0-21swapper/219:56:512
29707992421,2cyclictest0-21swapper/121:36:251
29707992421,2cyclictest0-21swapper/121:36:241
2970799240,23cyclictest0-21swapper/120:10:131
29712992314,1cyclictest749-21snmpd23:50:262
29712992314,1cyclictest749-21snmpd21:04:302
2971299231,21cyclictest0-21swapper/221:07:042
2971299231,15cyclictest0-21swapper/221:50:532
2971299231,15cyclictest0-21swapper/220:28:162
29707992321,2cyclictest0-21swapper/119:11:241
29707992319,3cyclictest0-21swapper/123:31:351
29712992218,2cyclictest29982-21hddtemp_smartct22:00:162
2971299221,15cyclictest0-21swapper/222:29:072
2971299221,14cyclictest0-21swapper/221:48:162
2971299221,10cyclictest0-21swapper/223:56:042
2971299220,2cyclictest0-21swapper/220:09:062
2971299220,21cyclictest0-21swapper/221:10:152
29707992220,2cyclictest0-21swapper/123:17:371
29707992220,2cyclictest0-21swapper/122:16:111
29707992218,3cyclictest0-21swapper/122:05:531
29707992218,3cyclictest0-21swapper/119:33:251
2970799220,3cyclictest0-21swapper/122:04:531
2970799220,22cyclictest0-21swapper/121:22:581
2970799220,21cyclictest0-21swapper/123:37:441
2970799220,21cyclictest0-21swapper/122:22:171
2970799220,21cyclictest0-21swapper/121:01:331
2970799220,21cyclictest0-21swapper/120:29:491
2970799220,21cyclictest0-21swapper/120:22:301
2970799220,21cyclictest0-21swapper/120:17:421
2970799220,21cyclictest0-21swapper/119:38:241
2970799220,21cyclictest0-21swapper/119:28:541
2970799220,21cyclictest0-21swapper/100:38:301
2970799220,21cyclictest0-21swapper/100:18:091
29703992219,2cyclictest19355-21sadc20:25:000
29703992218,2cyclictest27385-21munin-run23:25:000
2970399220,21cyclictest0-21swapper/023:00:220
29712992117,3cyclictest0-21swapper/222:45:232
29712992117,2cyclictest749-21snmpd22:51:102
2971299210,20cyclictest0-21swapper/222:32:082
2971299210,20cyclictest0-21swapper/200:12:242
29707992119,2cyclictest0-21swapper/123:55:401
2970799210,2cyclictest0-21swapper/123:09:231
2970799210,20cyclictest0-21swapper/123:50:591
2970799210,20cyclictest0-21swapper/123:42:411
2970799210,20cyclictest0-21swapper/123:25:411
2970799210,20cyclictest0-21swapper/122:40:411
2970799210,20cyclictest0-21swapper/122:30:381
2970799210,20cyclictest0-21swapper/122:27:521
2970799210,20cyclictest0-21swapper/121:13:541
2970799210,20cyclictest0-21swapper/120:58:541
2970799210,20cyclictest0-21swapper/120:45:481
2970799210,20cyclictest0-21swapper/120:41:401
2970799210,20cyclictest0-21swapper/119:57:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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